def test_true_1(self):
     self.assertTrue(is_bouncy(101))
 def test_true_2(self):
     self.assertTrue(is_bouncy(120))
 def test_false_5(self):
     self.assertFalse(is_bouncy(1235))
 def test_false_6(self):
     self.assertFalse(is_bouncy(5321))
 def test_false_4(self):
     self.assertFalse(is_bouncy(221))
 def test_false_3(self):
     self.assertFalse(is_bouncy(122))
 def test_false_2(self):
     self.assertFalse(is_bouncy(99))
 def test_false_1(self):
     self.assertFalse(is_bouncy(0))
 def test_true_3(self):
     self.assertTrue(is_bouncy(2351))